Deep Water
Open in tool →Cyan and mid-blue on abyss navy with a foam highlight — the ocean at depth; the darker the surface, the brighter the water.
Color
#cde9ef
#cde9ef
hex
#cde9efrgb
rgb(205, 233, 239)hsl
hsl(191, 52%, 87%)oklch
oklch(0.915 0.031 212.1)Closest name: Castle in the Sky (#d1eaed)Relative luminance 0.7749
Colors that go with #cde9ef
Charcoal, Lilac and Plum lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #cde9ef: softer than #000 and cool enough to feel like part of the same palette.
Lilac #c8a2c8
split-complementshippedLilac is a split-complement of #cde9ef: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Plum #dda0dd
triadicshippedPlum completes a triad with #cde9ef — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sand #c2b280
triadicshippedSand completes a triad with #cde9ef — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sky Blue #87ceeb
analogousshippedSky Blue is #cde9ef's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Dark Salmon #e9967a
complementaryshippedDark Salmon sits directly opposite #cde9ef on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #cde9ef in 21 real palettes, including Blueprint and Trailhead, as the accent.
Blue #0000ff
shipped47 real palettes, including Dropbox's brand system and Binance's brand system put Blue beside #cde9ef, as the accent.
Real palettes that use #cde9ef
Tints & shades
Harmonies
Contrast
| #cde9ef as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.27:1 | fail | fail | fail | |
Aaon black | 16.5:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #cde9ef as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#cde9ef reads as cool, light, clean. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #cde9ef
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #cde9ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/cde9ef-a2b6be-df4e7a-1f252d-e9f1ef?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md